UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm4RnraGjHID3sl7nsXeIqZnE1Z05SYZMtR9vdONqCyk=' 
WHERE 
  key_id = '56a978c7322d01f561dc051b017c9c8fe11915f60b6946e7bc00de4c93794176' 
  AND (
    token = 'm4RnraGjHID3sl7nsXeIqZnE1Z05SYZMtR9vdONqCyk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )